Ejector for wells.



EJEOTOB P OB. WELLS. APPLIUATION FILED` AUG. 24,' 190e.

Patented 'Jam17, 19.11.

lil

M n n 1HE NoRRIs PETERS co., WASHINGTON, n. c.

JOI-IN B. TAIT AND THOMAS MALONEY, OF MARICOPA, CAIIFORNIA.

EJECTOR FOR WELLS.

Specification of Letters Patent.

Patented J an. 17, y1911.

Application filed August 24, 1909. Serial N o. 514,459.

To all whom it may concern:

Be it known that we, JOHN B. TAIT and THOMAS MALONEY, both citizens of the United States, residing at Maricopa, in the county of Kern and State of California, have invented a new and useful Ejector for VellS, of which the following is a specification.

This invention relates to-means for raising oil or water from wells and particularly from deep wells by the action of air injected .into the fluid in the well ;V and the main object of the invention is to provide means for this purpose with a reservoir for the compressed air, said reservoir being located in the well, adjacent to the air injecting nozzle, thereby producing a steady lift-ing action.

Another object of the invention is to provide means for varying the force of the injector action.

Other objects of the invention will appear hereinafter. n

Referring to the accompanying drawings, illustrating the invention: Figure 1 is a vertical section ofthe reservoir, injecting means and the adjacent piping of the well. Fig. 2 is a horizontal section on line r2- x2 in Fig. l. Fig. 3 is a side elevation of the adjustable sleeve for the injector.

l designates the induction pipe or suction line and 2 the eduction pipe or discharge line of the air lift. Pipe 2 screws into the upper head 6 of the reservoir 3, which may be formed as a cylinder. Pipe l screws into and through lower head 7 of said reservoir 3, and is provided at its upper end with a nozzle head or sleeve 4, screwing on to said pipe and extending snugly and slidably within a tube or cylinder 5, which is screwed on the lower end of a pipe 2', screwed at its upper end into a central nipple 6 on the upper head 6 of reservoir cylinder 3, said nipple being tubular, to establish communication between pipe 2 and cylinder 5. The sleeve or head 4 is cut away or flattened on the ontside, as shown at S. to form pasages 9 between said sleeve and the wall of cylinder 5, these flattened portions being inclined so that said passages flare or expand upwardly, enabling the area of the outlet to be varied according to requirements, by vertical adj ustment of said sleeve. Set screws 10, screwing through the wall of reservoir cylinder 3, engage the cylinder 5 to hold the same to central position, in alinement with the head or sleeve 4. A pipe l1, for supply of compressed air, opens into the top of reservoir 3 and extends up-to the top of the well, for communication with any suitable source of compressed air.

In operation the pipes l, 2 are let down into the well, the pipe 1 being submerged in the liquid so that the liquid extends into the cylinder 5. The compressed air being supplied at 1l is discharged through the openings 9, and the injector action, combined with the flotative and expansive effect of the air causes the fluid contained in the well to rise in the eduction pipe and to be lifted from the well. The reservoir cylinder 3 is relatively large compared with the inlet pipe 11, cylinder 5, sleeve 4 and pipe 2 and extends a considerable distance above the top of the sleeve 4 so as to form a reservoir in which a considerable amount of air accun'iulates, whereby any momentary fluctuations in the supply through the pipe l1 will not materially affect the pressure in the reservoir or t-he outflow through the contracted outlet between the sleeve 4 and cylinder 5. By reason of the connection of the cylinder 5 to the upper end of the reservoir by the pipe section 2 of considerable length, the cylinder 5 is rendered laterally adjustable to some extent, and by means of the set screws l0 such adjustment may be made so as to bring the cylinder 5 into accurate alineinent with the sleeve 4 so as to give a contracted outlet'of uniform width around the sleeve 4.

What we claim is l. An ejector for wells comprising an induction pipe for fluid, an eduction pipe for fluid, a supply pipe for compressed air, a reservoir cylinder of relatively large diameter compared to said air supply pipe, a sleeve at the upper end of said induction pipe, a cylinder surrounding said sleeve and separated therefrom at its lower end to form a contracted outlet and connected at its upper end to the eduction pipe, said reservoir extending a considerable distance above said sleeve on the induction pipe and the said contracted outlet, whereby air may accumulate in the upper end of said reservoir above said outlet to equalize the outflow, as substantially set forth.

2. An ejector for wells comprising an induction pipe for fluid, an eduction pipe for fluid, a supply pipe for compressed air, a reservoir cylinder of relatively large diameter compared to said air supply pipe, a

sleeve at the upper end of said induction pipe, a Cylinder surrounding said sleeve and separated therefrom at its lower end to form a contracted outlet and connected at its upper end to the eduetion pipe, said reservoir eX- tending a considerable distance-above said sleeve on the induction pipe and the said contracted outlet, whereby air may acouinulat-e in the upper end of said reservoir above said outletto equalize the outflow, said cylinder surrounding the said sleeve being connected to the eduction pipe by a pipe of considerable length so as to be laterally adjustable, and said' screws engaging the said reservoir cylinder and the said inner Cylinder to adjust the saine relatively to the said sleeve so as to provide for uniform width of the contracted outlet, as substantially set forth.

In testimony whereof, we have hereunto set our hands at Maricopa, California, this 18th day of August, 1909.

JOHN B. TAIT. THOMAS MALOBHEY.v

In presence of- C. WV. BEATTY, DON C. VooDs. 

